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What is the difference between vim and vi in ??linux?

vi is the most commonly used, what are the benefits of vim.

PHP中文網 2017-05-16 16:38:27 0  6  960

Tutorial on the use of PHP's free commonly used express logistics API query interface

The express tracking number query API can be connected to SF express query, postal express query, ZTO express query, etc. These express logistics companies provide express logistics such as automatic identification interfaces for express order numbers and query interfaces for express order numbers. ...

昨日青空 2019-09-10 17:25:29 0  0  1829

javascript - css design patterns

I would like to ask the master, what are the commonly used design patterns in CSS design, and what are the characteristics of each?

伊謝爾倫 2017-05-19 10:26:45 0  9  757

[Must-read for front-end job hunting] Selected front-end development interview questions and answers_Extended questions

What is the most difficult technical problem you have encountered? How did you solve it? What are the commonly used libraries? Commonly used front-end development tools? What applications or components have you developed? How does page reconstruction work? List the features that make IE different fr...

天蓬老師 2017-11-13 13:07:13 1  2  2136

Can nginx implement content-based caching for POST requests?

Because it is a webservice and the content of the post is json, the commonly used API interfaces need to be cached. I wonder if it can be done at the nginx layer?

黃舟 2017-05-16 17:29:34 0  1  728

Chengdu is recruiting a junior PHP development engineer

There is a preliminary screening, and the answer address is: http://mtw.so/6hG4pS Job description: 1. Responsible for the PHP development work of the project team. 2. Ability to independently complete the underlying development work of relevant sub-projects under the leadership of technical managers...

wyn 2021-08-03 12:10:44 0  2  1358

How to safely transfer the collection and index files of mongodb collection to make space

In a stand-alone environment, mongodb is used to cache the source code of web pages captured by crawlers. There are no replica sets, shards, etc. Mongodb is used purely for convenience and to improve storage efficiency. Now a collection occupies more than 50 G of space, and the data has been extract...

大家講道理 2017-05-02 09:24:50 0  2  827

How does mongodb reclaim the space that should be vacated after the document is "shrunk"?

The version used is mongodb-win32-x86_64-3.2.1, and the default WiredTiger storage engine is used. There are about 4 million documents in a collection, occupying 40G space; later, the useless part of each document processing is traversed and updated (the document is not deleted), and the script to p...

漂亮男人 2017-05-02 09:24:24 0  2  680

What is a pagoda panel and what does it do?

Simply put, Pagoda is a WEB server suite that integrates software tools commonly used in web services such as Apache, MySQL, PHP, and Nginx. It is a popular WEB server panel. To put it simply, it is to facilitate the operation and maintenance of your website. Before using the Pagoda panel, I built t...

七秒 2021-10-22 11:28:01 0  3  5908

firestore: Is it faster to retrieve documents by id or by query?

My collection of documents has an id (of course), but also has a field that holds the same id. Question: Is it faster to retrieve the document by id collection.doc(id).get().then(....) or by querying collection.where('id','==',id).get() .then(...) I just refactored my function code. I used to use qu...

P粉291886842 2023-09-14 08:54:32 0  1  534

git - management of a project

Newbie question: I want to know, if node is used as the backend in a project, what kind of build tools should be used for the entire front-end and back-end project. How do git, webpack, and npm work together? Because I haven't actually used git, webpack, etc., my question is rather naive. I hope you...

PHPz 2017-05-02 09:50:26 0  2  1016

Preview of teaching courses on September 14, 2018: Common DOM operations and practical cases

1. Teaching topic: Common DOM operations: Document Object Model (DOM, Document Object Model) is mainly used to operate the content of HTML and XML documents. DOM depicts a hierarchical node tree. By operating on nodes, functions such as adding, deleting, modifying, and searching document content can...

藏色散人 2018-09-14 10:52:17 0  0  1354

What should I pay attention to when uploading and playing videos in the backend of PHP?

The company project needs to add a video upload to the project, and then generate a QR code scanning and playback function. I thought about a few questions: 1. How to control the duration and size of the uploaded video 2. How to convert some commonly used formats into MP4 Dominance format 3. What sh...

怪我咯 2017-05-16 13:14:41 0  5  759

How to customize VSCode id attribute?

I recently moved from Atom to VSCode, and while I've managed to customize most of the editor to my liking, I'm still missing some Atom features that I like. One of them is that the "id" attribute in Atom used to be a specific color, something like #99FFFF. I've looked through themes but ca...

P粉709644700 2024-03-31 14:13:45 0  1  898

javascript - Is there a tool for loading many audio and image resources in vue? The preloadjs I originally used didn't seem to get along well with vue. . .

It is hoped that the action of each file loading completion and the action of all files loading completion can be monitored. Or you can provide a solution, that is, how can I load resources without using tools? I have only used the following method, which feels a bit stupid: {code...}

伊謝爾倫 2017-06-12 09:22:24 0  1  661

JavaScript Tips: How to Determine Browser Window Position

For various silly reasons, I want to be able to detect a rectangular area of ??the browser window on the screen, including the title bar. Is this possible, or is JavaScript only limited to the viewport of its page? EDIT: I may not have expressed it clearly, but the viewport is the part of the page t...

P粉218775965 2023-08-22 15:53:05 0  2  755

Can Git diff have more intuitive output under the command line?

Description of the problem: git diff is a function of git. It can be used without being in a git repository. I use it with the intention of replacing the diff tool that comes with the system (this is too old-fashioned and not intuitive). But can git diff output? A better diff diagram? (Preferably si...

過去多啦不再A夢 2017-05-02 09:38:38 0  3  1029

PHP Chinese website customized mouse pad

Mouse pad content includes commonly used strings, arrays, dates, databases, files, etc. Mouse pad specifications: thickness: 0.3cm, width: 30cm, length: 80cm. Price of edge-wrapped mouse pad: Free shipping nationwide: 40 yuan/mouse pad Quantity: 500 copies Method: Scan the QR code on WeChat, fill in...

- 2020-05-05 17:34:52 0  21  23163

javascript - How to abstract commonly used working directories?

For example, to make a demo of a front-end page, my most commonly used structure is as follows {code...} Therefore, I have to build the structure step by step like this every time. Or right-click to package the .zip file as a template. Every time you want to use it, create a folder and extract the ....

phpcn_u1582 2017-05-19 10:32:56 0  5  617

Vue project - Uncaught TypeError: Cannot read properties of null (reading 'offsetWidth') error in a custom js script

So I converted custom html template to vuejs project. I have imported all the css and js files that I want to use in the homepage. CSS files load fine. For JS files, the theme comes with some custom js scripts as well as commonly used libraries such as Three.js, etc. I imported all of this below the...

P粉447785031 2023-12-13 11:48:24 0  1  873